Federal Regiment

12th Pennsylvania Reserves

Organized: Harrisburg, PA; mustered in 07/1861
Disbanded/Mustered out: Harrisburg, PA 06/11/1864

Commanding Officer on the Antietam Campaign:
Capt. Richard Gustin

This Regiment's Chain of Command:
  Army - Army of the Potomac
  Corps - First Army Corps
  Division - 3rd Division, 1st Corps
  Brigade - 3rd Brigade, 3rd Division, 1st Corps

Unit history

Formed from all over the state in July 1861, at Harrisburg. They first saw action at Dranesville, Va, in December 1861. They were then in action with McClellan on the Peninsula Campaign, after which Company K was disbanded, and at 2nd Bull Run under Pope in August.

On the Antietam Campaign

They saw action at Turner's Gap on South Mountain on 14 September 1862 and in and near Miller's Cornfield on the morning of the 17th.

Maps Showing this Unit

Detail Map #1: Hookers First Corps Sweeps Down the Hagerstown Pike (5-7 am)
Detail Map #2: Hood's Division Retakes Miller's Cornfield (7-8 am)
Detail Map #3: Mansfield's Twelfth Corps Attacks into Miller's Cornfield (7-9 am)

Battlefield Tablets for this Unit

Tablet #1: First Army Corps - 16 Sep, 2 PM to 16 Sep, 6 PM
Tablet #15: Meade's Division, First Army Corps - 16 Sep, 2 PM to 16 Sep, 8 PM
Tablet #120: Army of the Potomac - 17 Sep, 5 AM to 17 Sep, 12 PM
Tablet #31: Anderson's Brigade, Meade's Division - 17 Sep, 6 AM to 17 Sep, 10 AM
Tablet #11: Meade's Division, First Army Corps - 17 Sep, 6 AM to 17 Sep, 9 AM
Tablet #24: Anderson's Brigade, Meade's Division - 17 Sep, 6 AM to 17 Sep, 9 AM

After the Antietam Campaign

They were at Fredericksburg in December and on duty at Washington DC as Provost Guard for some time thereafter. They next saw action at Gettysburg in July. They continued on campaign with the Army of the Potomac into 1864 seeing combat at Bristoe Station, Mine Run, and on the Wilderness Campaign. They were mustered out of service when their term expired in June 1864.

References & Notes

Unit history data from Bates 1

We have 45 individuals in the AotW database who were on the Maryland Campaign with this unit:

Co.	Rank	Name	Casualty?
A	Sgt	Allen, James M.	WIA 09/17
A	Pvt	Allison, James	KIA 09/17
A	Pvt	Arendt, Leander	MWIA 09/17
A	Pvt	Beech, Ebenezer	WIA 09/17
A	Corp	Odenheimer, Daniel C.	KIA 09/17
A	Pvt	Pilkington, William R.	KIA 09/14
A	Pvt	Toomey, Ezra	WIA 09/17
B	Pvt	Dean, Henry W.	KIA 09/14
B	Pvt	Maynard, Jacob	MWIA 09/17
B	Sgt	Meeker, Charles A.	MWIA 09/17
C	Pvt	Barnes, James A.	KIA 09/17
C	Pvt	Bentzel, William H.	WIA 09/17
C	Pvt	Blance, Jerome	KIA 09/17
C	Corp	Bryan, Samuel	WIA 09/17
C	Pvt	Bush, Thomas	WIA 09/17
C	Corp	Corzett, William A.	WIA 09/17
C	Capt	Gustin, Richard M.
C	Pvt	Melott, Frederick	MWIA 09/14
C	Corp	Spencer, Cyrus Jewell	KIA 09/17
D	Corp	Hopple, Henry H.	KIA 09/14
D	Pvt	McFarland, William	KIA 09/14
E	Corp	Darhamner, George	KIA 09/17
E	Pvt	Graham, David H.	KIA 09/17
E	Pvt	Roth, Lewis H.	WIA 09/14
F	Pvt	Baer, Calvin	KIA 09/17
F	Pvt	Campbell, Allen	WIA 09/17
F	Corp	Campbell, George A.	KIA 09/17
F	Pvt	Jones, Charles	KIA 09/17
F	Pvt	Spidal, Jacob	WIA 09/17
F	Pvt	Tyler, John	KIA 09/17
G	Pvt	Fox, William R.	MWIA 09/17
G	Pvt	Gable, Henry	MWIA 09/17
G	Pvt	Harman, Henry	MWIA 09/17
G	Pvt	Kenny, George W.	MWIA 09/17
G	Corp	Wagner, Christian S.	MWIA 09/14
H	Pvt	Altimus, William W.	WIA 09/14
H	Pvt	Barkley, David W.	WIA 09/17
H	Pvt	Benson, Enoch	MWIA 09/17
H	Capt	Bolar, Andrew Jackson
H	Pvt	Edelblute, Robert Calvin	WIA 09/14
H	Pvt	Evans, Samuel Wilson
H	Pvt	Overdorff, David C.	KIA 09/17
H	Pvt	Painter, Thomas	WIA 09/17
H	Pvt	Stewart, James S.	WIA 09/17
I	Lt	Cloyd, Samuel Jones	WIA 09/17

* If there's a symbol in the Details column ...

- We have a picture for this person
- We have details beyond name and rank
Click on their last name to see more